Tokyo, Japan

Kohei Yoshikawa

This inventor holds 4 USPTO granted patents and 3 published patent applications, plus 8 CIPO patents and 4 EPO patents. Top assignees: Hitachi Chemical Company, Ltd., Hitachi, Ltd.. Active years: 2014-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohei Yoshikawa. Retrieved from https://idiyas.com/inventor/kohei-yoshikawa-5u4j1ltr

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 25.0

 

 

Average Co-Inventor Count = 4.1

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Hitachi, JP (2014)
  • Tokyo, JP (2016 - 2019)

Company Filing History:


Years Active: 2014-2019

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4 patents (USPTO):Explore Patents

Title: Innovations by Kohei Yoshikawa: Pioneer in Gas Treatment Technologies

Introduction

Kohei Yoshikawa, a distinguished inventor based in Tokyo, Japan, has made significant advancements in the field of gas treatment. With a total of four patents to his name, Yoshikawa's inventions focus on improving environmental sustainability and efficiency in gas processing technologies.

Latest Patents

Yoshikawa's latest patents include a CO concentration reducing device designed to separate and remove carbon monoxide (CO) from gas. This device features an adsorbent container filled with CO adsorbent and a heating unit that employs either induction or dielectric heating to enhance efficiency. By reducing the ventilation required to expel CO from enclosed spaces, the device not only offers safety but also significantly lowers the electric power consumption related to air circulation and conditions.

Another notable invention is his exhaust-gas treatment equipment, which incorporates a reaction container filled with a gas capture material that effectively removes specific gas components. This system includes a temperature measuring element that tracks the temperature of the gas capture material, allowing for the assessment of its deterioration state through a control unit. These innovations showcase Yoshikawa's commitment to developing practical solutions for environmental challenges.

Career Highlights

Throughout his career, Kohei Yoshikawa has contributed his expertise to prominent companies like Hitachi, Ltd. and Hitachi Chemical Company, Ltd. His work in these organizations has greatly influenced the progression of technologies related to gas capture and treatment systems.

Collaborations

Yoshikawa has collaborated with notable contemporaries, including Masato Kaneeda and Hiroki Sato. Their combined knowledge and skills have likely propelled advancements in their respective fields, strengthening the impact of their innovative work.

Conclusion

Kohei Yoshikawa stands out as a key innovator in gas treatment technologies, with a strong emphasis on enhancing environmental safety and efficiency. His inventive pursuits not only hold promise for industrial applications but also reflect a broader commitment to sustainability. As the demand for effective solutions to environmental issues grows, Yoshikawa's contributions will undoubtedly remain influential in shaping future advancements in this area.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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